Due to popular demand, Sled Island's Comedy Lineup has grown from two nights to four for the 2012 festival. This year's impressive host of talent features classic stand up comedian Todd Barry, Tim Heidecker from Tim & Eric's Awesome Show, Neil Hamburger making his triumphant return, jaywalking New Yorker Hannibal Burress, L.A. actress and comedian Natasha Leggero, and Vice Magazine co-founder Gavin McInnes. A limited amount of advance tickets for comedy and other select shows go on sale this Saturday, April 7 at 10am via sledisland.com.